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Operating Manual CMGZ434
Digital microprocessor controlled tension control unit
for line drives
Version 2.22 05/04 sd
This operation manual is also available in german and french.
Please contact your local representative.
Diese Bedienungsanleitung ist auch in deutsch und französisch erhältlich.
Bitte kontaktieren Sie die Vertretung im zuständigen Land.
Ce mode d'emploi est également disponible en français et en allemand.
Veuillez contacter la représentation locale.
© by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.
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Table of Contents
Related Manuals for FMS CMGZ434
Summary of Contents for FMS CMGZ434
- Page 1 Diese Bedienungsanleitung ist auch in deutsch und französisch erhältlich. Bitte kontaktieren Sie die Vertretung im zuständigen Land. Ce mode d'emploi est également disponible en français et en allemand. Veuillez contacter la représentation locale. © by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.
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Page 2: Safety Instructions
Operating Manual CMGZ434 1 Safety Instructions 1.1 Description conditions a) High danger of health injury or loss of life Danger This symbol refers to high risk for persons to get health injury or loss life. It has to be followed strictly. -
Page 3: Table Of Contents
8.2 Mounting the force sensors 8.3 Mounting the drive unit 8.4 Mounting the tacho generator 8.5 Wiring diagram: Variant for insert card support block (CMGZ434) 8.6 Wiring diagram: Variant with separate housing (CMGZ434.E) 9 Operation ......................14 9.1 View of the operating panel 9.2 Schematic diagram of main operating menu... -
Page 4: Definitions
(0...10V). Strain gauge: Electronic component that will change its resistance while its length has changed. Strain gauges are used in the FMS force sensors for acquisition of the feedback value. -
Page 5: System Description
The force sensors measure the tension force in the material and transmit the measuring value as a mV signal to the electronic unit CMGZ434. The electronic unit amplifies the mV signal and calculates the error to the reference value. If the material tension is too low resp. -
Page 6: Drive
Interface As standard, the electronic unit supports an RS232 interface. As an option, there is an additional board with CAN-Bus interface available. fig. 2: Block diagram of the electronic unit CMGZ434 C434002e 4.4 Drive There can be used any AC or DC four-quadrant drive selected according to the required... -
Page 7: Controller Theory
Tension may change when humidity, temperature, winding or unwinding diameters vary or when the sheets are being printed, coated, glued or pressed. Tension is measured constantly and maintained at the correct value with the FMS force measuring and control system. -
Page 8: Quick Installation Guide
Operating Manual CMGZ434 6 Quick installation guide • Check all your requirements such as: – Charateristics of the drive (signal level, max. power, etc.)? – Controller output configuration (signal level)? – Feedback output configuration (signal level)? – Gain switching required? –... -
Page 9: Dimensions
Operating Manual CMGZ434 7 Dimensions 7.1 Dimensions: Variant for insert card support block (CMGZ434) fig. 4: Dimensions of the variant using insert card support block (series CMGZ400). The support block EMGZ555959 has to be ordered separately. C431006us If the electronic unit should be mounted into a 19“ rack, a multipoint plug is used instead of the support block. -
Page 10: Installation And Wiring
8.1 Mounting and wiring of the electronic unit Variant for insert card support block (CMGZ434) The insert card support block can be mounted in a control cabinet. Wiring to the terminals is done according to „8.5 Wiring diagram: Variant for insert card support block“ (fig. 6). -
Page 11: Mounting The Force Sensors
Operating Manual CMGZ434 8.2 Mounting the force sensors Mounting of the force sensors is done referring to the FMS Installation manual which is delivered together with the force sensors. Wiring to the terminals of the electronic unit is done according to wiring diagram (fig. 6 resp. -
Page 12: Wiring Diagram: Variant For Insert Card Support Block (Cmgz434)
Operating Manual CMGZ434 8.5 Wiring diagram: Variant for insert card support block (CMGZ434) fig. 6: Wiring diagram: Variant for insert card suppor block C434005e Caution Bad earth connection may cause electric shock to persons, malfunction of the total system or damage of the electronic unit! It is vital to ensure that proper earth connection is done. - Page 13 Operating Manual CMGZ434 fig. 7: Wiring diagram: Variant with separate housing C434011e fig. 8: Screw terminal arrangement on Terminal board C432007e...
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Page 14: Operation
Operating Manual CMGZ434 9 Operation 9.1 View of the operating panel fig. 9: Operating panel: Variant for insert card support block (CMGZ434) C434006e fig. 10: Operating panel: Variant with separate housing (CMGZ434.E) C434007e... -
Page 15: Schematic Diagram Of Main Operating Menu
Operating Manual CMGZ434 9.2 Schematic diagram of main operating menu fig. 11 C434008e 9.3 Checking the parameters Before the initial setup is done, the following parameters have to be set resp. you have to check if they correspond with the effective machine conditions (ref. to „11. -
Page 16: Calibrating The Measuring Amplifier
Operating Manual CMGZ434 9.4 Calibrating the measuring amplifier Simulating Method (recommended) The following instructions are referring to a setup and calibration on-site. The material tension will be simulated by a weight (fig. 12). • Connect the first force sensor • Check, if a positive value is displayed when loading the sensor in measuring direction. - Page 17 • Offset adjustment has to be done as described under „Simulating method“. • The Gain value will be calculated by the following formula and then inputted in the parameter gain feedback (refer to „10. Parametrization“). fig. 13: Force vectors in the FMS force measuring bearing C431012e GainFeedback δ...
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Page 18: Inputting The Reference Value
Operating Manual CMGZ434 9.5 Inputting the reference value The material tension reference value can be inputted by the operating panel resp. interface, or by the analog input: reference input by operating panel resp. interface • Set parameter reference internal / external to internal •... -
Page 19: Switching The Control Parameters
Operating Manual CMGZ434 Mathematic determination of control parameters • If the behaviour of the control loop is known, the control parameters may be calculated by the known mathematical procedures and saved in the parameters Proportional P0...P3, Integral I0...I3 resp. Derivative D0...D3. (There is only the parameter set active which is chosen by the BCD inputs;... -
Page 20: Automatic Operation
Operating Manual CMGZ434 9.8 Automatic operation State „Controller disabled“ After power on, the controller is disabled. Its output value is 0V, 0mA or 4mA (depending on setting of parameter Output config.) Enable controller The controller will be enabled by digital input „Controller enabled“ or by serial interface. - Page 21 Operating Manual CMGZ434 Parametrization of the tacho roller For the control unit knowing the actual line speed, the line speed signal has to be set in relation to the diameter and speed of the tacho roller: • Set line speed signal on the master computer or on a drive already setup to a certain value, for ex.
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Page 22: Additional Settings
9.10 Additional settings PI or PID configuration The Tension Controller can be operated as PI or as PID controller. FMS recommends operating as PI controller because this setup is much easier to handle, and the controller dynamics are sufficient for most applications (refer also to „5. Controller theory“):... -
Page 23: Serial Interface (Rs232)
Operating Manual CMGZ434 10 Serial interface (RS232) The serial interface is operated for example by a personal computer as a kind of „question and answer“ game: The PC sends a question resp. a command; the electronic unit will send an answer back. If the answer is missing, the electronic unit or the connection cable may fail. -
Page 24: Command List
Operating Manual CMGZ434 10.2 Command list command answer purpose DIFF<CR> DIFY<CR> / DIFN<CR> read alarm control error DIFR<CR> DIFRXXXX.X<CR> actual control error in % ERR?<CR> XX<CR> read actual erros Pos.1...2 : Err1...Err2 Value of Pos. = 0 : No Err;... -
Page 25: Write Parameter
Operating Manual CMGZ434 RP15<CR> X<CR> display language RP16<CR> X<CR> line speed overlay RP17<CR> XXX.X<CR> influence of PID RP18<CR> X<CR> PID-configuration RP19<CR> XXX.XX<CR> proportional P0 RP20<CR> XXX.XX<CR> integral I0 RP21<CR> XX.XXX<CR> derivative D0 RP22<CR> XXX.XX<CR> proportional P1 RP23<CR> XXX.XX<CR> integral I1 RP24<CR>... - Page 26 Operating Manual CMGZ434 WP18X<CR> PACC<CR> / FAIL<CR> PID-configuration WP19XXX.XX<CR> PACC<CR> / FAIL<CR> proportional P0 WP20XXX.XX<CR> PACC<CR> / FAIL<CR> integral I0 WP21XX.XXX<CR> PACC<CR> / FAIL<CR> derivative D0 WP22XXX.XX<CR> PACC<CR> / FAIL<CR> proportional P1 WP23XXX.XX<CR> PACC<CR> / FAIL<CR> integral I1 WP24XX.XXX<CR> PACC<CR> / FAIL<CR>...
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Page 27: Parametrization
Operating Manual CMGZ434 11 Parametrization 11.1 Parameter list Parameter Unit Default Actual Find offset (Parameter function) Calibration feedback (Parameter function) _______ Offset feedback [Digit] -4000 4000 _______ Gain feedback 1.000 0.100 9.000 _______ Nominal force [N,kN] 1000 9999 _______ Unit of force... -
Page 28: Schematic Diagram Of Parametrization
Operating Manual CMGZ434 Ramp reference 20.0 _______ Reference Internal, External Internal _______ Scale ref. input [N,kN] 9999 _______ Tacho voltage [rpm/V] 1000 _______ Controlled drive [rpm/V] 1000 _______ Tacho diameter [mm] 1000 _______ Center diameter [mm] 5000 _______ Identifier _______... -
Page 29: Description Of The Parameters
Operating Manual CMGZ434 11.3 Description of the parameters The parameter changing mode will be activated by pressing the ↵ key for 3 seconds. Generally, the parameters are settable using the keys as follows: ↵ choose ↑ ↓ switch the selections or increase / decrease numeric values ←... - Page 30 Use: To get the correct force value,, the electronic unit has to know the sensitivity of the force sensors, that means how much signal the sensor will answer by nominal force. Standard for FMS force sensors is 1.8mV/V. Range: Default:...
- Page 31 Operating Manual CMGZ434 Lowpass instrument Use: The electronic unit provides a lowpass filter to prevent noise which is added to the analog output of the instrument (terminals z18 / z22 resp. 15 / 18). This parameter stores the limit frequency. The lower the cut- off frequency, the more sluggish the output signal will be.
- Page 32 Operating Manual CMGZ434 Limit 2 min / max Use: The digital output „Limit value 2“ can be set as a min- or a max limit switch. That means, that the digital output will be activated when passing over resp. passing under the value set under parameter Limit value 2.
- Page 33 Operating Manual CMGZ434 Proportional P0 Use: This value determines the behaviour of the „P“ component of the controller. It is active if the BCD inputs are set to „0“. If the value stored here is 1.00 the P controller will produce an output signal of 0.5V resp.
- Page 34 Operating Manual CMGZ434 Proportional P2 Use: Description and function see Proportional P0. Active if the BCD inputs are set to „2“. Integral I2 Use: Description and function see Integral I0. Active if the BCD inputs are set to „2“. Derivative D2 Use: Description and function see Derivative D0.
- Page 35 Operating Manual CMGZ434 Output configuration Use: With this parameter, you can choose the output signal depending on the drive unit used. Range: ±10V, 0...10V, 0...20mA, 4...20mA Default: ±10V Position of line drive Use: The output value of the controller depends on the line drive being mounted before or after the force sensors (ref.
- Page 36 Operating Manual CMGZ434 Tacho voltage Use: This parameter stores the number of rotations which will generate 1V tension on the tacho generator. The value is used to calculate the line speed overlay function. Range: 1000 Default: Increment: Unit: [rpm/V] Controlled drive...
- Page 37 Operating Manual CMGZ434 7 or 8 data bit Use: Setting of the number of data bits of the RS 232 interface. Range: Default: Increment: Unit: 1 or 2 stop bit Use: Setting of the number of stop bits of the RS 232 interface.
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Page 38: Trouble Shooting
Operating Manual CMGZ434 12 Trouble shooting Error Cause Corrective action Force sensors are wrong Exchange wires on terminals z6 / z8 (resp. 2 / 3) „Err1“ is displayed: A/D-converter receives connected values < -9.7mV continuously Parting of the cable Replace connection cable between force sensor... -
Page 39: Technical Data Cmgz434
Digital input 4 (BCD cipher 1) 24VDC galvanic separated Interface RS232 standard Interface RS485 galvanic separated Option Interface CAN-Bus Option Power supply 24VDC (18...36VDC) 0.15A (CMGZ434.E: 230VAC, 110VAC or 24VDC) Main connector DIN41612 version F b+d+z Temperature range 0...50°C [32...122°F] Weight 0.22kg [0.5lbs]... - Page 40 Operating Manual CMGZ434 FMS Force Measuring Systems AG FMS Italy FMS USA, Inc. FMS UK Aspstrasse 6 Via Baranzate 67 2155 Stonington Ave. Suite 119 Highfield, Atch Lench Road 8154 Oberglatt (Switzerland) I-20026 Novate Milanese Hoffman Estates, IL 60169 USA Church Lench Tel.